---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Fraction Calculator: Inch & CM"
developer_entity: "传明 朱"
bundle_id: "com.cmstudio.fractioncalcplus"
app_store_id: "6759826716"
category: "Utilities"
primary_platform: "ios"
primary_monetization: "Freemium"
offline_capable: true
market_region: "US"
platforms: "iOS"
app_last_updated: "2026-03-20"
report_date: "2026-09-07"
last_verified: "2026-09-07T00:00:00.000Z"
report_version: "1.1.0"
total_reviews: 3
overall_rating: 4.7
confidence: "low"
confidence_score: 0.05
data_age_days: 68
momentum_velocity: "maintenance"
intelligence_version: 3
tags: ["utilities", "freemium", "mobile app", "app review", "app analysis", "woodworkers,", "contractors,", "enthusiasts"]
canonical_url: "https://marlvel.ai/apps/fraction-calculator-inch-cm"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Fraction Calculator: Inch & CM Intelligence Report

## TL;DR {#tldr}

- **Category**: Utilities · Freemium
- **Signal**: Rating 4.67

> **TL;DR:** Fraction Calculator: Inch & CM is a utilities app by 传明 朱, rated 4.67/5 by 3 users, available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Fraction Calculator: Inch & CM is a utilities app by 传明 朱.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.67/5 (3 reviews) |
| **Category** | Utilities |
| **Developer** | 传明 朱 |
| **Pricing** | Freemium |
| **Platforms** | iOS |
| **Confidence** | Low (0.05/1.0) |
| **Data Age** | 68d |

## Metadata & Market Performance
- **Publisher:** 传明 朱
- **Category:** Utilities
- **Target Audience:** Woodworkers, contractors, and DIY enthusiasts requiring precise, mixed-unit measurement calculations.
- **Platforms:** iOS
- **Version Reviewed:** 1.1.0
- **Report Date:** 2026-09-07
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.05/1.0)
- **App Store ID (iOS):** 6759826716
- **Bundle ID:** com.cmstudio.fractioncalcplus
- **Performance Trend:** Mixed
- **Data Window:** Analysis based on signals collected up to 2026-09-07

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Fraction Calculator: Inch & CM is a specialized utility for woodworkers and contractors that calculates mixed-unit measurements and cut lists on iOS.
**Why users hire it:** The app removes the cognitive friction of manual fraction-to-decimal conversions and kerf-loss math, which are frequent sources of error in manual workshop workflows.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Hybrid Math Engine:** Calculates mixed units including fractions, inches, and centimeters in a single equation.
- **[Differentiator] Auto Kerf Compensation:** Factors blade thickness into multi-cut calculations to ensure material accuracy.
- **[Differentiator] Offline Mode:** Operates without internet connection, ensuring reliability in workshop environments.
  * *User Intent:* Users want uninterrupted access without internet dependency.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

Fraction Calculator: Inch & CM targets the professional workshop segment, positioning itself via a one-time purchase model against subscription-heavy utility rivals.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Freemium
- **Tiers:** Free tier for essential measurement math, Pro version via one-time purchase for unlimited cut lists and kerf compensation
- **Analysis:** The one-time purchase model avoids subscription fatigue, appealing to professional users who prefer ownership over recurring costs.

<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Offline-first architecture removes connectivity dependencies
- Auto Kerf Compensation provides direct workflow accuracy

**Growth Levers:**
- Localized pricing in high-ARPU regions targets professional ownership preference


<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The competitive outlook shifted from stable to mixed due to heightened concerns regarding the 171-day update gap and its impact on professional user trust. The SWOT analysis now incorporates specific weaknesses regarding low review volume and threats from general-purpose calculators.

**Overall trend**: Mixed
**Compared at**: 2026-09-07

### High-impact changes
- **[Added] New SWOT Weakness and Opportunity** (swot)

### Medium-impact changes
- **[Shifted] Outlook Trend Downgrade** (positioning)
- **[Added] Competitive Threat Update** (swot)

<!-- section:whats-new -->
## What's New

- **Latest (v1.1.0, 5 months ago):** Introduced Smart Layout Tool for automatic gap calculation, Cumulative Error Tracking for precision, and lumber presets to accelerate job site workflows.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Maintenance) {#momentum}

- Ships infrequent updates, last major 171 days ago.

> **Cadence:** 1 total versions · 1 majors in last 6 months · 171 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Fraction Calculator: Inch & CM is an utilities app that is free with in-app purchases.
It holds a 4.67/5 rating from 3 reviews.

<!-- speakable-start -->
> **Bottom Line:** The one-time purchase model is a strong differentiator, but the 171-day update silence risks alienating professional users who require a reliable tool. A minor stability release would signal active support and protect the current user base from churn.
<!-- speakable-end -->

**Best for:** Woodworkers, contractors, and DIY enthusiasts requiring precise, mixed-unit measurement calculations.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [MAINTAIN] Ship a minor stability update because the 171-day gap signals abandonment to professional users → restore trust
<!-- /section:pm-actions -->

<!-- section:outlook -->
### Outlook: Mixed

The professional utility market is shifting toward subscription-based SaaS models, leaving a gap for high-quality, one-time purchase tools. Fraction Calculator: Inch & CM is well-positioned to capture this segment, provided it addresses the current maintenance-mode perception to reassure professional users of its longevity.

- 🔴 The 171-day update gap suggests the app is in maintenance mode, which erodes professional trust in the tool's long-term reliability.
- 🟢 The one-time purchase model provides a clear value proposition against subscription-heavy competitors, which helps maintain a stable, if small, user base.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.67/5 |
| Total Reviews | 3 |
| Confidence | Low |
| Pricing Model | Freemium |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Trend | Mixed |
| Outlook | Mixed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Fraction Calculator: Inch & CM** (this app) | 4.67/5 | N/A | 传明 朱 |
| [Sota Connect: Secure Network](https://marlvel.ai/apps/fi-catconnect-sota) | 4.8/5 | N/A | Cat Connect |
| [V2Box - V2ray Client](https://marlvel.ai/apps/v2box-v2ray-client) | 4.6/5 | n/a | techlaim |
| [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies |
| [Free VPN by Free VPN .org™](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) | 4.5/5 | Mixed | Free VPN LLC |
| [Fusvob VPN : Super VPN 2026](https://marlvel.ai/apps/com-toplinkc-foxexcellent) | 4.4/5 | Mixed | Fuxin Technology |

## Company Profile
- **Developer:** 传明 朱

## Data Sources & Links
- **App Store ID:** 6759826716
- **Sources:** App store metadata.

## Related Intel Reports
- [*Sota Connect: Secure Network*](https://marlvel.ai/apps/fi-catconnect-sota) (Cat Connect) · 4.8/5 Rating
- [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.6/5 Rating
- [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating
- [*Free VPN by Free VPN .org™*](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) (Free VPN LLC) · 4.5/5 Rating
- [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.4/5 Rating
- [*Potatso*](https://marlvel.ai/apps/potatso) (Potatso Lab LTD) · 4.4/5 Rating
- [*Quantumult X*](https://marlvel.ai/apps/quantumult-x) (Cross Utility Ltd) · 3.8/5 Rating
- [*카톡 분석 - 오픈채팅, 카톡 채팅 분석, 통계, 검색*](https://marlvel.ai/apps/com-liger-katalkanalysispaid) (Park Sung Cheol) · N/A Rating
- [*로또 황금번호 생성기*](https://marlvel.ai/apps/lotto-lottogold) (jaehwan lee) · N/A Rating
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## Frequently Asked Questions {#faq}

### Is Fraction Calculator: Inch & CM suitable for professional contractors?

The app includes specialized features like Auto Kerf Compensation and offline functionality, which are designed for workshop environments. However, the current update cadence may be a concern for professionals requiring long-term tool maintenance.

### Does Fraction Calculator: Inch & CM require an internet connection?

No, the app is designed to be 100% offline, ensuring it remains functional in workshop environments where internet access may be limited.

### Is there a subscription fee for the Pro version?

No, the Pro version is available as a one-time purchase, which avoids the recurring subscription costs found in many other utility apps.

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes).
4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.05/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 0
- **Data Sources:** App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 68 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/fraction-calculator-inch-cm)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.